I have a close association with Gen. Petraeus... What you get in Dave Petraeus is a very unique officer, a combination of intelligence, extraordinary depth of knowledge and understanding.

The mind is a curious thing, whether we believe that or not, as far as not our brain will.

The pinnacle of human intelligence is still but just an ant hill, standing insignificantly tall aside the Mount Everest that is our reality.

Just remember this, my girl, when you look up in the sky you can see the stars and still not see the light.

On a professional side, you've got a tough problem to fix, Geoff Miller's going to do it, and he's always going to do it to very high standards, and he's always going to be on the side of right. He's always talking about 'what right looks like' - just a phrase he would always use.

The homegrown terrorists are the most significant because any fighter returning from Syria to the United States would likely be identified and detected by our intelligence and law enforcement agencies.